AT89C55-16AA
vs
AT89C55WD-33JC
feature comparison
All Stats
Differences Only
Rohs Code
No
No
Part Life Cycle Code
Obsolete
Transferred
Ihs Manufacturer
ATMEL CORP
ATMEL CORP
Part Package Code
QFP
LPCC
Package Description
TQFP, TQFP44,.47SQ,32
QCCJ, LDCC44,.7SQ
Pin Count
44
44
Reach Compliance Code
compliant
compliant
HTS Code
8542.31.00.01
8542.31.00.01
Has ADC
NO
NO
Address Bus Width
16
16
Bit Size
8
8
CPU Family
8051
8051
Clock Frequency-Max
16 MHz
33 MHz
DAC Channels
NO
NO
DMA Channels
NO
NO
External Data Bus Width
8
8
JESD-30 Code
S-PQFP-G44
S-PQCC-J44
JESD-609 Code
e0
e0
Length
10 mm
16.586 mm
Number of I/O Lines
32
32
Number of Terminals
44
44
On Chip Program ROM Width
8
8
Operating Temperature-Max
125 °C
70 °C
Operating Temperature-Min
-40 °C
PWM Channels
NO
NO
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
TQFP
QCCJ
Package Equivalence Code
TQFP44,.47SQ,32
LDCC44,.7SQ
Package Shape
SQUARE
SQUARE
Package Style
FLATPACK, THIN PROFILE
CHIP CARRIER
Qualification Status
Not Qualified
Not Qualified
RAM (bytes)
256
256
ROM (words)
20480
20480
ROM Programmability
FLASH
FLASH
Seated Height-Max
1.2 mm
4.572 mm
Speed
12 MHz
33 MHz
Supply Voltage-Max
6 V
5.5 V
Supply Voltage-Min
4 V
4.5 V
Supply Voltage-Nom
5 V
5 V
Surface Mount
YES
YES
Technology
CMOS
CMOS
Temperature Grade
AUTOMOTIVE
COMMERCIAL
Terminal Finish
TIN LEAD
TIN LEAD
Terminal Form
GULL WING
J BEND
Terminal Pitch
0.8 mm
1.27 mm
Terminal Position
QUAD
QUAD
Width
10 mm
16.586 mm
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER
MICROCONTROLLER
Base Number Matches
1
2
Pbfree Code
No
ECCN Code
3A991.A.2
Moisture Sensitivity Level
2
Peak Reflow Temperature (Cel)
225
Supply Current-Max
25 mA
Compare AT89C55-16AA with alternatives
Compare AT89C55WD-33JC with alternatives